Taking even small payloads into orbit is expensive, thanks in large part to the use of expendable rockets to break the bonds of gravity. Companies like SpaceX...
Boeing invents four-part reusable satellite launch vehicle
The past, present, and future potential of NASA’s nuclear space rocket program
Shortly after Apollo 11, Wernher von Braun, one of the fathers of rocket science, proposed that we develop a reusable Nuclear Thermal Propulsion (NTP) rocket to colonize...